<span class="xt-search">
               <input #searchBox type="text" id="search-box"  class="form-box" (keyup)="search(searchBox.value)"
                      placeholder="请输入菜单名">
           <button class="btn-red btns" (click)="search2(searchBox.value)" type="submit">搜索</button>
  <span>
          <span *ngFor="let menu of menus | async"
                (click)="gotoDetail(menu)" class="search-result"  > {{menu.menuTitle}}</span>
        </span>
   </span>
